Insider Trades
SEC Form 4 filings — transactions by corporate insiders.
49 total trades for ATI
| Ticker | Insider | Type | Date | Shares | Value | Filing |
|---|---|---|---|---|---|---|
| ATI | Timothy J Harris | Sale | 2026-09-21 | 9,000 | $1.7M | SEC ↗ |
| ATI | Timothy J Harris | Sale | 2026-09-14 | 16,500 | $3.2M | SEC ↗ |
| ATI | Timothy J Harris | Sale | 2026-09-08 | 16,500 | $3.4M | SEC ↗ |
| ATI | David J Morehouse | Sale | 2026-09-02 | 2,485 | $501K | SEC ↗ |
| ATI | Timothy J Harris | Sale | 2026-08-31 | 16,500 | $3.5M | SEC ↗ |
| ATI | Timothy J Harris | Sale | 2026-08-24 | 16,500 | $3.4M | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-08-17 | 24,845 | $5.7M | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-07-28 | 31,757 | $6.1M | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-07-07 | 40,000 | $7.3M | SEC ↗ |
| ATI | James Robert Foster | Exercise | 2026-07-01 | 163 | $32K | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-06-24 | 3,783 | $746K | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-06-23 | 3,641 | $719K | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-06-22 | 13,269 | $2.7M | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-06-02 | 59,749 | $10.7M | SEC ↗ |
| ATI | Leroy M Ball | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Herbert J Carlisle | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Carolyn Corvi | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | David P Hess | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Marianne Kah | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Elizabeth Hefley Lund | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Jean Lydon-Rodgers | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | David J Morehouse | Grant | 2026-05-19 | 1,743 | $0 | SEC ↗ |
| ATI | Ruby Sharma | Grant | 2026-05-19 | 905 | $0 | SEC ↗ |
| ATI | Kimberly A Fields | Sale | 2026-05-11 | 40,000 | $6.4M | SEC ↗ |
| ATI | Vaishali S. Bhatia | Tax Withhold | 2026-03-20 | 3,509 | $505K | SEC ↗ |
| ATI | David J Morehouse | Sale | 2026-03-09 | 6,609 | $1.0M | SEC ↗ |
| ATI | Michael Benjamin Miller | Tax Withhold | 2026-03-02 | 413 | $68K | SEC ↗ |
| ATI | Robert S Wetherbee | Sale | 2026-02-17 | 49,562 | $7.2M | SEC ↗ |
| ATI | Leroy M Ball | Gift | 2026-02-17 | 350 | $0 | SEC ↗ |
| ATI | Robert S Wetherbee | Sale | 2026-02-10 | 10,438 | $1.5M | SEC ↗ |
| ATI | James Robert Foster | Exercise | 2026-01-05 | 42,265 | — | SEC ↗ |
| ATI | James Robert Foster | Tax Withhold | 2026-01-05 | 23,544 | $2.9M | SEC ↗ |
| ATI | James Robert Foster | Grant | 2026-01-05 | 9,644 | — | SEC ↗ |
| ATI | Vaishali S. Bhatia | Tax Withhold | 2026-01-05 | 1,944 | $235K | SEC ↗ |
| ATI | Vaishali S. Bhatia | Grant | 2026-01-05 | 3,152 | $0 | SEC ↗ |
| ATI | Timothy J Harris | Exercise | 2026-01-05 | 70,442 | — | SEC ↗ |
| ATI | Timothy J Harris | Tax Withhold | 2026-01-05 | 54,560 | $6.6M | SEC ↗ |
| ATI | Timothy J Harris | Grant | 2026-01-05 | 48,995 | — | SEC ↗ |
| ATI | Kimberly A Fields | Exercise | 2026-01-05 | 98,620 | — | SEC ↗ |
| ATI | Kimberly A Fields | Tax Withhold | 2026-01-05 | 78,251 | $9.5M | SEC ↗ |
| ATI | Kimberly A Fields | Grant | 2026-01-05 | 94,726 | — | SEC ↗ |
| ATI | Michael Benjamin Miller | Tax Withhold | 2026-01-05 | 374 | $45K | SEC ↗ |
| ATI | Michael Benjamin Miller | Grant | 2026-01-05 | 854 | $0 | SEC ↗ |
| ATI | Robert S Wetherbee | Exercise | 2026-01-05 | 362,644 | — | SEC ↗ |
| ATI | Robert S Wetherbee | Tax Withhold | 2026-01-05 | 158,297 | $19.2M | SEC ↗ |
| ATI | Robert S Wetherbee | Grant | 2026-01-05 | 185,276 | $0 | SEC ↗ |
| ATI | Robert S Wetherbee | Sale | 2025-12-18 | 60,020 | $6.6M | SEC ↗ |
| ATI | Vaishali S. Bhatia | Grant | 2025-12-05 | 6,837 | — | SEC ↗ |
| ATI | Kimberly A Fields | Grant | 2025-12-05 | 34,188 | — | SEC ↗ |